blender 2.8 beta doesn't find opengl
I had a similar problem, where it requires OpenGL 3.3 and the GPU doesn't support that version. Please provide GPU information to confirm, but if you've updated your driver, then it's probably an OpenGL issue.

How to check your GPU: https://www.quora.com/How-do-you-check-what-graphics-card-you-have-on-Windows-7